Walnuts remain a powerful snack that packs a variety of health benefits. Beyond being tasty, they are loaded with fiber and antioxidants.---Nutrition Overview (Per 1 oz)- Calories: 183- Fat: 18g (mostly polyunsaturated)- Low in carbs (3.8g)- Rich in fiber: 1.9g- Protein: 4.3g- Low glycemic impact---Why Walnuts Are Great for You1. **Cardiovascular S